01 Nov '12, 9pm

What cold wall/vapor profile system is practical to use in Whitehorse, Yukon? #green

Dear Sirs Would you please guide me in understandingthe design for our new house ? We live in Whitehorse,Yukon Territory, so our goal is super insulated, because of our cold climate. While Yukon is mostly a Subarctic/Arctic region, Whitehorse is much milder than the interior Yukon. For example: Average January temperature Whitehorse -17.7C Old Crow -31.1 (the record daily low was -52.2 in 1947) Average July temperature Whitehorse +14.1C Old Crow +14.6C I understand interior vapor barrier is appropriate only for severe cold climates, because the wall system must cope with substantial moisture drive from the building interior and into the building envelope during the heating season. Does Whitehorse fall within that parameter and require a interior Class 1 poly barrier? Different super-insulated homes have started to appear in Whitehorse, double walled cellulose packed, even ...

Full article: http://www.greenbuildingadvisor.com/community/forum/gba-p...

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Cold War

Cold War

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